<script setup>
    import '@wangeditor/editor/dist/css/style.css' // 引入 css

    import {onBeforeUnmount, ref, shallowRef, onMounted, watch} from 'vue'
    import {Editor, Toolbar} from '@wangeditor/editor-for-vue'

    // 编辑器实例，必须用 shallowRef
    const editorRef = shallowRef()

    // 内容 HTML
    const valueHtml = ref('<p></p>')
    // 初始值，定义一个属性接受父组件传递过来的值
    const props = defineProps({
        initValue: {
            type: String,
            default: ''
        }
    })
	const emit = defineEmits('getEditorContent')
    //监听父组件传过来的值的变化，用来回显
    watch(() => props.initValue, value => {
        console.log('watch props.initValue: ' + value)
        valueHtml.value = value ?? ''
    })
	//监听富文本编辑器内容改变，通知父组件得到数据
	watch(valueHtml, (value) => {
		emit('getEditorContent', value)
	})


    // 模拟 ajax 异步获取内容
    /*onMounted(() => {
        setTimeout(() => {
            valueHtml.value = '<p>模拟 Ajax 异步设置内容</p>'
        }, 1500)
    })*/

    const toolbarConfig = {}

    import {useTokenStore} from '@/store/token.js'
    const tokenStore = useTokenStore()
    const editorConfig = {
        placeholder: '请输入内容...',
		MENU_CONF: {
            uploadImage: {
                fieldName: 'file',
                server: '/api/upload',
                headers: {
                    Authorization: tokenStore.token
                },
				//自定义插入图片
				customInsert(res, insertFn){
                    //res代表服务端返回结果
					console.log(res)

					insertFn(res.data)
				}
			}
		}
    }

    // 组件销毁时，也及时销毁编辑器
    onBeforeUnmount(() => {
        const editor = editorRef.value
        if (editor == null) return
        editor.destroy()
    })

    const handleCreated = (editor) => {
        editorRef.value = editor // 记录 editor 实例，重要！
    }
</script>

<template>
	<div style="border: 1px solid #ccc">
		<Toolbar
				style="border-bottom: 1px solid #ccc"
				:editor="editorRef"
				:defaultConfig="toolbarConfig"
				:mode="mode"
		/>
		<Editor
				style="height: 500px; overflow-y: hidden;"
				v-model="valueHtml"
				:defaultConfig="editorConfig"
				:mode="mode"
				@onCreated="handleCreated"
		/>
	</div>
</template>

<style scoped>

</style>